This was a good weekend for those that wanted to see a more crowded skyline in Arlington.

On Saturday, the Arlington County Board gave the green light to Metropolitan Park 6, the 22-story, 577-unit residential development planned for the site of the Pentagon Industrial Center warehouse and vacant parcels of land at 1400 South Eads Street (map). The project, led by Vornado and Charles E. Smith, will be the sixth phase of the decade-plus long redevelopment of the Metropolitan Park site just east of the Pentagon City shops and Metro station.

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Rendering of Metropolitan Park 6

Metropolitan Park 6 was not the only 22-story building given a thumbs up this weekend. The Board also approved Liberty Center in Ballston, a mixed-use project on the boards with two stories of retail, eight floors of office space and 12 floors of residential units. The Shooshan Company originally planned an office building at 4040 Wilson Boulevard (map), and the approved amendment allows the developer to go with the aforementioned mixed-use option instead.